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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Takes place in curve
Takes place in one direction
Is steady and uniform
Takes place in straight line

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

1.71 Cd × L × H1/2
0.384 Cd × L × H3/2
1.71 Cd × L × H3/2
0.384 Cd × L × H1/2

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

h2
head of water (h)
V/T
h2

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Hydraulics and Fluid Mechanics in ME
According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary

Inversely as square root of density
Inversely as density
Directly as the air or gas density
As square of density

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Hydraulics and Fluid Mechanics in ME
Pressure intensifier increases the pressure in proportion to

Square of ratio of diameters
Square of inverse ratio of diameters
Ratio of diameters
Inverse ratio of diameters

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Hydraulics and Fluid Mechanics in ME
The rise or depression of liquid in a tube due to surface tension will increase in size of tube will

Decrease
May increase or decrease depending on the characteristics of liquid
Increase
Remain unaffected

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